NZE-28840: Wallet is already open.
What triggered the Error:
An attempt was made to open a wallet that had already been opened.What should we do to fix it:
This is a programming error. A wallet should only be opened once.
If this was not sufficient go over to:
Oracle Official Support Knowledge Center
Or maybe those geeks at: StackOverflow Board
Or maybe those geeks at: StackOverflow Board
